/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:03:58,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:03:58,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:03:58,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:03:58,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:03:58,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:03:58,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:03:58,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:03:58,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:03:58,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:03:58,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:03:58,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:03:58,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:03:58,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:03:58,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:03:58,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:03:58,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:03:58,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:03:58,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:03:58,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:03:58,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:03:58,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:03:58,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:03:58,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:03:58,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:03:58,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:03:58,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:03:58,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:03:58,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:03:58,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:03:58,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:03:58,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:03:58,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:03:58,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:03:58,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:03:58,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:03:58,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:03:58,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:03:58,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:03:58,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:03:58,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:03:58,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 06:03:58,500 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:03:58,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:03:58,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:03:58,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:03:58,502 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:03:58,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:03:58,503 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:03:58,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:03:58,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:03:58,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:03:58,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:03:58,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:03:58,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:03:58,504 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:03:58,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:03:58,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:03:58,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:03:58,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:03:58,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:03:58,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:03:58,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:03:58,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:03:58,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:03:58,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:03:58,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:03:58,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:03:58,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:03:58,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:03:58,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:03:58,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:03:58,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:03:58,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:03:58,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:03:58,838 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:03:58,839 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:03:58,839 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product26.cil.c [2020-10-14 06:03:58,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72535aa62/023a6a1958ba4d5fb62bd0906fc8a6f3/FLAG641c3095c [2020-10-14 06:03:59,556 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:03:59,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product26.cil.c [2020-10-14 06:03:59,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72535aa62/023a6a1958ba4d5fb62bd0906fc8a6f3/FLAG641c3095c [2020-10-14 06:03:59,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72535aa62/023a6a1958ba4d5fb62bd0906fc8a6f3 [2020-10-14 06:03:59,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:03:59,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:03:59,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:03:59,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:03:59,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:03:59,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:03:59" (1/1) ... [2020-10-14 06:03:59,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eefe0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:03:59, skipping insertion in model container [2020-10-14 06:03:59,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:03:59" (1/1) ... [2020-10-14 06:03:59,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:03:59,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:04:00,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:04:00,602 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:04:00,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:04:00,828 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:04:00,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:04:00 WrapperNode [2020-10-14 06:04:00,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:04:00,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:04:00,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:04:00,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:04:00,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:04:00" (1/1) ... [2020-10-14 06:04:00,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:04:00" (1/1) ... [2020-10-14 06:04:00,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:04:00" (1/1) ... [2020-10-14 06:04:00,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:04:00" (1/1) ... [2020-10-14 06:04:01,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:04:00" (1/1) ... [2020-10-14 06:04:01,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:04:00" (1/1) ... [2020-10-14 06:04:01,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:04:00" (1/1) ... [2020-10-14 06:04:01,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:04:01,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:04:01,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:04:01,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:04:01,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:04:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:04:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:04:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:04:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:04:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:04:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 06:04:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 06:04:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 06:04:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 06:04:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 06:04:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 06:04:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 06:04:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 06:04:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 06:04:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 06:04:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 06:04:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 06:04:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 06:04:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 06:04:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 06:04:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 06:04:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:04:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 06:04:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:04:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 06:04:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 06:04:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 06:04:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 06:04:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 06:04:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 06:04:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-14 06:04:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 06:04:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 06:04:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 06:04:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 06:04:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 06:04:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 06:04:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 06:04:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 06:04:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 06:04:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 06:04:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 06:04:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 06:04:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 06:04:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 06:04:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 06:04:01,223 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 06:04:01,223 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2020-10-14 06:04:01,223 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 06:04:01,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2020-10-14 06:04:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 06:04:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 06:04:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:04:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:04:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:04:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:04:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:04:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:04:01,227 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 06:04:01,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 06:04:01,227 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 06:04:01,228 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 06:04:01,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 06:04:01,228 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 06:04:01,228 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 06:04:01,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 06:04:01,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 06:04:01,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 06:04:01,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 06:04:01,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:04:01,231 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:04:01,232 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:04:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:04:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:04:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-14 06:04:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-14 06:04:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:04:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:04:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 06:04:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 06:04:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 06:04:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 06:04:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:04:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 06:04:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 06:04:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 06:04:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 06:04:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 06:04:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 06:04:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 06:04:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 06:04:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 06:04:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 06:04:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 06:04:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 06:04:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 06:04:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 06:04:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 06:04:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 06:04:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 06:04:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 06:04:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 06:04:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 06:04:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 06:04:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:04:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 06:04:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:04:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:04:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:04:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:04:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:04:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 06:04:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 06:04:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 06:04:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 06:04:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 06:04:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 06:04:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 06:04:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 06:04:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 06:04:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 06:04:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 06:04:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 06:04:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 06:04:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 06:04:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 06:04:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 06:04:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-14 06:04:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 06:04:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 06:04:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 06:04:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 06:04:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 06:04:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 06:04:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 06:04:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 06:04:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 06:04:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 06:04:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2020-10-14 06:04:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-14 06:04:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-14 06:04:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2020-10-14 06:04:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:04:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 06:04:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:04:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:04:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:04:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:04:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:04:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:04:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:04:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:04:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:04:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:04:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:04:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:04:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:04:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:04:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:04:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:04:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 06:04:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:04:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:04:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:04:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:04:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:04:03,540 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:04:03,540 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 06:04:03,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:04:03 BoogieIcfgContainer [2020-10-14 06:04:03,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:04:03,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:04:03,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:04:03,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:04:03,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:03:59" (1/3) ... [2020-10-14 06:04:03,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed6dc5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:04:03, skipping insertion in model container [2020-10-14 06:04:03,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:04:00" (2/3) ... [2020-10-14 06:04:03,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed6dc5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:04:03, skipping insertion in model container [2020-10-14 06:04:03,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:04:03" (3/3) ... [2020-10-14 06:04:03,567 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product26.cil.c [2020-10-14 06:04:03,578 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:04:03,588 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:04:03,603 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:04:03,636 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:04:03,636 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:04:03,636 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:04:03,636 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:04:03,636 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:04:03,636 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:04:03,636 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:04:03,637 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:04:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states. [2020-10-14 06:04:03,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 06:04:03,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:04:03,716 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:04:03,717 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:04:03,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:04:03,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1751841435, now seen corresponding path program 1 times [2020-10-14 06:04:03,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:04:03,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187816341] [2020-10-14 06:04:03,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:04:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:04,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:04,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:06,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:06,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:06,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:06,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:08,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:09,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:09,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 06:04:09,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:04:09,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5068 [2020-10-14 06:04:09,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:09,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:04:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:04:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:04:09,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 06:04:10,442 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:04:10,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:04:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:10,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:10,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:10,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:10,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:10,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 06:04:10,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:10,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:10,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:10,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:04:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:10,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:10,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:10,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:10,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:10,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:04:10,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:10,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:10,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:10,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:10,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:10,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:10,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:04:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:10,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:10,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:10,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:10,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:10,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:04:10,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:10,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:10,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 06:04:10,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:04:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:10,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:10,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:10,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:10,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:04:10,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:10,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:10,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:10,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:04:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:10,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:10,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:10,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:10,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:10,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:04:10,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:10,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:10,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:10,728 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:04:10,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:04:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:10,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:10,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:10,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:04:10,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:10,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 06:04:10,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:10,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:10,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:10,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:10,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:10,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:10,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:10,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:10,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:04:10,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:10,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:10,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:10,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:04:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:10,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:10,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:11,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:11,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:04:11,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:04:11,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-14 06:04:11,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:11,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:11,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:04:11,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:04:11,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:04:11,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:11,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:11,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:11,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:11,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:04:11,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:11,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:04:11,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:11,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:04:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:04:11,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:04:11,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:04:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:11,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:11,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:11,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:11,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:04:11,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:04:11,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 06:04:11,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:11,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:11,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:04:11,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:04:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 06:04:11,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:11,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:04:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:11,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:11,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:11,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:04:11,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:11,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:04:11,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:11,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:11,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:04:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:04:11,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:04:11,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 06:04:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:11,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:11,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:11,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:04:11,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:11,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:04:11,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:11,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:11,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:11,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:04:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:11,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:11,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:11,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:11,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:11,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:11,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:11,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:04:11,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:11,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:11,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:11,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:11,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:11,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:04:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:11,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:11,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:11,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:11,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:11,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:04:11,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:11,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:11,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:11,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 06:04:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:11,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:11,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:11,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:11,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:11,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:04:11,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:11,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:04:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:11,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:11,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 06:04:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:11,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:11,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:11,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:11,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:11,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:04:11,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:11,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:11,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:11,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:04:11,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:11,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:04:11,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187816341] [2020-10-14 06:04:11,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:04:11,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:04:11,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821752547] [2020-10-14 06:04:11,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:04:11,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:04:11,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:04:11,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:04:11,632 INFO L87 Difference]: Start difference. First operand 797 states. Second operand 12 states. [2020-10-14 06:04:12,949 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 06:04:13,948 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:04:14,720 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:04:15,465 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:04:16,311 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:04:17,071 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:04:19,465 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:04:37,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:04:37,476 INFO L93 Difference]: Finished difference Result 1602 states and 2778 transitions. [2020-10-14 06:04:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:04:37,478 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-10-14 06:04:37,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:04:37,512 INFO L225 Difference]: With dead ends: 1602 [2020-10-14 06:04:37,513 INFO L226 Difference]: Without dead ends: 972 [2020-10-14 06:04:37,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:04:37,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2020-10-14 06:04:37,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 636. [2020-10-14 06:04:37,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2020-10-14 06:04:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1014 transitions. [2020-10-14 06:04:37,850 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1014 transitions. Word has length 93 [2020-10-14 06:04:37,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:04:37,851 INFO L479 AbstractCegarLoop]: Abstraction has 636 states and 1014 transitions. [2020-10-14 06:04:37,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:04:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1014 transitions. [2020-10-14 06:04:37,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 06:04:37,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:04:37,857 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:04:37,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:04:37,858 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:04:37,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:04:37,858 INFO L82 PathProgramCache]: Analyzing trace with hash 449544218, now seen corresponding path program 1 times [2020-10-14 06:04:37,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:04:37,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [64658010] [2020-10-14 06:04:37,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:04:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:37,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:38,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:38,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:39,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:39,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:41,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:42,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:42,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 06:04:42,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:04:42,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 06:04:42,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:42,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:04:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 06:04:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:04:42,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:43,748 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:04:43,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:04:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:43,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:43,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:43,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:43,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:43,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 06:04:43,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:43,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:43,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:43,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:43,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:43,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:43,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:04:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:43,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:43,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:43,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:43,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:43,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:43,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:43,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:43,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:43,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:43,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:04:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:43,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:43,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:43,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:43,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:43,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:43,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:43,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:43,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:43,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:43,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:43,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:43,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:04:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:43,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:43,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:43,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:43,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:43,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:04:43,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:43,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:43,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:43,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:43,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:43,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:43,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:04:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:43,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:43,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:43,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:43,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:43,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:04:43,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:43,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:43,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:43,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:43,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:43,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:43,994 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:04:43,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:04:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:44,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:44,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:04:44,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:44,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 06:04:44,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:44,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:44,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:44,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:44,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:44,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:44,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:44,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:04:44,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:44,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:44,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:44,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:44,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:04:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:44,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:44,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:04:44,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:04:44,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-14 06:04:44,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:44,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:44,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:04:44,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:04:44,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:04:44,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:44,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:44,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:44,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:04:44,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:04:44,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:04:44,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:44,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:04:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:04:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:04:44,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:44,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:04:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:44,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:44,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:04:44,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:04:44,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:44,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:04:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:44,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:44,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:04:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:44,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:44,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:04:44,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:44,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:04:44,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:44,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:44,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:44,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:44,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:44,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:04:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:44,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:44,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:04:44,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:44,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:04:44,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:44,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:04:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:44,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:44,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:44,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:44,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:44,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:04:44,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:44,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:44,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:44,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:44,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:44,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:44,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:04:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:44,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:44,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:44,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:44,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:44,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:44,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 06:04:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:44,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:44,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:44,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:44,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:04:44,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:44,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:44,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:44,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:04:44,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:44,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:44,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:04:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:44,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:44,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:44,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:44,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:44,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:04:44,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:44,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:04:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:44,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:04:44,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [64658010] [2020-10-14 06:04:44,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:04:44,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:04:44,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292884951] [2020-10-14 06:04:44,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:04:44,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:04:44,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:04:44,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:04:44,704 INFO L87 Difference]: Start difference. First operand 636 states and 1014 transitions. Second operand 9 states. [2020-10-14 06:04:46,247 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:04:46,968 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:04:48,633 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:05:01,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:05:01,899 INFO L93 Difference]: Finished difference Result 1572 states and 2695 transitions. [2020-10-14 06:05:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 06:05:01,900 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-10-14 06:05:01,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:05:01,910 INFO L225 Difference]: With dead ends: 1572 [2020-10-14 06:05:01,910 INFO L226 Difference]: Without dead ends: 966 [2020-10-14 06:05:01,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-10-14 06:05:01,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2020-10-14 06:05:02,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 636. [2020-10-14 06:05:02,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2020-10-14 06:05:02,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1009 transitions. [2020-10-14 06:05:02,082 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1009 transitions. Word has length 94 [2020-10-14 06:05:02,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:05:02,083 INFO L479 AbstractCegarLoop]: Abstraction has 636 states and 1009 transitions. [2020-10-14 06:05:02,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:05:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1009 transitions. [2020-10-14 06:05:02,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 06:05:02,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:05:02,085 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:05:02,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:05:02,086 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:05:02,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:05:02,086 INFO L82 PathProgramCache]: Analyzing trace with hash 451716357, now seen corresponding path program 1 times [2020-10-14 06:05:02,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:05:02,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652278282] [2020-10-14 06:05:02,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:05:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:02,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:02,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:02,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:03,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:03,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:03,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:04,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:07,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:07,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 06:05:07,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:05:07,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 06:05:07,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:07,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:07,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:05:07,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 06:05:07,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:05:07,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:07,886 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:05:07,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:05:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:07,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:07,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:07,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:07,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:07,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 06:05:07,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:07,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:07,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:07,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:07,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:07,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:07,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:07,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:07,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:07,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:07,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:07,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:07,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:05:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:07,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:07,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:07,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:07,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:07,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:07,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:07,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:07,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:07,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:05:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:07,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:07,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:07,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:07,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:07,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:07,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:07,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:07,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:07,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:07,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:07,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:07,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:05:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:07,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:07,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:07,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:07,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:07,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:07,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:07,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:07,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:07,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:07,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:07,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:08,099 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:05:08,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:05:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:08,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:08,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:05:08,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:08,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:05:08,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:08,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:08,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:08,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:08,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:08,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:08,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:08,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:05:08,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:08,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:08,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:08,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:08,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:08,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:08,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:05:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:08,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:08,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:05:08,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:05:08,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-14 06:05:08,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:08,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:08,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:05:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:05:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:05:08,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:08,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:08,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:08,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:05:08,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:08,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:05:08,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:08,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:08,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:08,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:05:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:08,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:08,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 06:05:08,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:05:08,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 06:05:08,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:08,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:08,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:05:08,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 06:05:08,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:05:08,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:08,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:05:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:08,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:08,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:05:08,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:08,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:05:08,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:08,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:08,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:05:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:05:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:05:08,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:08,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:05:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:08,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:08,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:05:08,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 06:05:08,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:08,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:05:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:08,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:08,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:08,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:08,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:08,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:08,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:08,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:08,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:08,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:08,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:08,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:08,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:08,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:08,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:08,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:08,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:08,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:08,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:08,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:08,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:08,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:08,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:08,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:08,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 06:05:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:08,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:08,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:08,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:08,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:08,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:08,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:08,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:05:08,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:08,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:08,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:05:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:08,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:08,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:08,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:08,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:08,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:08,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:08,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:08,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:08,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:05:08,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:08,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:05:08,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652278282] [2020-10-14 06:05:08,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:05:08,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:05:08,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297449674] [2020-10-14 06:05:08,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:05:08,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:05:08,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:05:08,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:05:08,855 INFO L87 Difference]: Start difference. First operand 636 states and 1009 transitions. Second operand 10 states. [2020-10-14 06:05:10,800 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:05:11,700 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:05:13,774 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:05:31,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:05:31,754 INFO L93 Difference]: Finished difference Result 1572 states and 2690 transitions. [2020-10-14 06:05:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 06:05:31,755 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-10-14 06:05:31,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:05:31,764 INFO L225 Difference]: With dead ends: 1572 [2020-10-14 06:05:31,765 INFO L226 Difference]: Without dead ends: 968 [2020-10-14 06:05:31,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 06:05:31,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2020-10-14 06:05:31,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 638. [2020-10-14 06:05:31,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-10-14 06:05:31,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1011 transitions. [2020-10-14 06:05:31,929 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 1011 transitions. Word has length 94 [2020-10-14 06:05:31,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:05:31,930 INFO L479 AbstractCegarLoop]: Abstraction has 638 states and 1011 transitions. [2020-10-14 06:05:31,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:05:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1011 transitions. [2020-10-14 06:05:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 06:05:31,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:05:31,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:05:31,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:05:31,933 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:05:31,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:05:31,933 INFO L82 PathProgramCache]: Analyzing trace with hash -693958809, now seen corresponding path program 1 times [2020-10-14 06:05:31,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:05:31,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523891147] [2020-10-14 06:05:31,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:05:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:32,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:32,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:32,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:32,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:33,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:33,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:35,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:37,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:37,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 06:05:37,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:05:37,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 06:05:37,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:37,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:05:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:05:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:05:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:37,757 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:05:37,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:05:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:37,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:37,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:37,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:37,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:37,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 06:05:37,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:37,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:37,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:37,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:37,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:37,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:37,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:37,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:37,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:37,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:37,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:37,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:37,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:37,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:37,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:05:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:37,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:37,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:37,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:37,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:37,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:37,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:37,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:37,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:37,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:37,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:37,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:37,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:05:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:37,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:37,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:37,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:37,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:37,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:37,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:37,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:37,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:05:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:37,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:37,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:37,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:37,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:37,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:37,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:37,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:37,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:37,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:37,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:37,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:37,966 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:05:37,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:05:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:37,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:37,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:37,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:05:37,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:37,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:05:37,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:37,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:38,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:38,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:38,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:38,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:38,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:05:38,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:38,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:38,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:38,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:05:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:38,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:38,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 06:05:38,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:05:38,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-14 06:05:38,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:38,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:38,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:05:38,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:05:38,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:05:38,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:38,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:38,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:38,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:05:38,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:38,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:05:38,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:38,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:38,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:05:38,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:38,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:05:38,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:38,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:05:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:38,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:38,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 06:05:38,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:05:38,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 06:05:38,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:38,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:38,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:05:38,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:05:38,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 06:05:38,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:38,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:05:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:38,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:38,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:05:38,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:38,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:05:38,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:38,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:38,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:05:38,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:38,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:05:38,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:38,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 06:05:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:38,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:38,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:05:38,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:38,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:05:38,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:38,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:05:38,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:38,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:38,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:38,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:38,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:38,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:38,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:38,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:38,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:38,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:38,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:38,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:38,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:38,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:38,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:38,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:38,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:38,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:38,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 06:05:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:38,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:38,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:38,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:38,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:38,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:38,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:05:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:38,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:38,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 06:05:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:38,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:38,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:38,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:38,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:38,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:38,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:05:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:38,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:38,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:05:38,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523891147] [2020-10-14 06:05:38,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:05:38,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:05:38,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843531134] [2020-10-14 06:05:38,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:05:38,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:05:38,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:05:38,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:05:38,502 INFO L87 Difference]: Start difference. First operand 638 states and 1011 transitions. Second operand 12 states. [2020-10-14 06:05:40,357 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:05:41,097 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:05:41,797 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:05:42,539 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:05:43,302 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:05:45,621 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:06:04,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:06:04,243 INFO L93 Difference]: Finished difference Result 1588 states and 2712 transitions. [2020-10-14 06:06:04,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:06:04,244 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-14 06:06:04,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:06:04,253 INFO L225 Difference]: With dead ends: 1588 [2020-10-14 06:06:04,253 INFO L226 Difference]: Without dead ends: 982 [2020-10-14 06:06:04,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:06:04,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2020-10-14 06:06:04,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 639. [2020-10-14 06:06:04,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-10-14 06:06:04,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1013 transitions. [2020-10-14 06:06:04,423 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1013 transitions. Word has length 95 [2020-10-14 06:06:04,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:06:04,423 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 1013 transitions. [2020-10-14 06:06:04,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:06:04,424 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1013 transitions. [2020-10-14 06:06:04,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-14 06:06:04,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:06:04,426 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:06:04,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:06:04,426 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:06:04,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:06:04,427 INFO L82 PathProgramCache]: Analyzing trace with hash -430857743, now seen corresponding path program 1 times [2020-10-14 06:06:04,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:06:04,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40584879] [2020-10-14 06:06:04,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:06:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:04,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:04,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:04,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:04,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:05,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:05,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:09,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:09,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 06:06:09,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:06:09,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 06:06:09,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:09,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:09,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:06:09,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 06:06:09,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:06:09,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,189 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:06:10,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:06:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:10,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 06:06:10,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:10,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:10,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:10,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:06:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:10,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:10,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:10,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:06:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:10,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:10,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:06:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:10,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:10,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,408 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:06:10,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:06:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:06:10,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:06:10,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:10,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:06:10,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:10,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:06:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 06:06:10,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 06:06:10,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:06:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:06:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:06:10,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:06:10,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:06:10,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:06:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:06:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 06:06:10,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:06:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:06:10,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:06:10,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:06:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:06:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:06:10,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:10,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:10,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 06:06:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:06:10,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:06:10,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:06:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:10,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:10,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:10,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:10,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:10,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 06:06:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:10,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:10,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 06:06:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:10,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:10,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:10,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:10,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:10,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:10,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:10,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:10,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:10,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:10,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:10,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:06:10,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40584879] [2020-10-14 06:06:10,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:06:10,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:06:10,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382061130] [2020-10-14 06:06:10,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:06:10,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:06:10,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:06:10,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:06:10,719 INFO L87 Difference]: Start difference. First operand 639 states and 1013 transitions. Second operand 9 states. [2020-10-14 06:06:12,197 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:06:12,903 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:06:14,717 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:06:29,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:06:29,885 INFO L93 Difference]: Finished difference Result 1575 states and 2688 transitions. [2020-10-14 06:06:29,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 06:06:29,886 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-10-14 06:06:29,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:06:29,896 INFO L225 Difference]: With dead ends: 1575 [2020-10-14 06:06:29,896 INFO L226 Difference]: Without dead ends: 937 [2020-10-14 06:06:29,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-10-14 06:06:29,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-10-14 06:06:30,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 612. [2020-10-14 06:06:30,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-14 06:06:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 967 transitions. [2020-10-14 06:06:30,085 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 967 transitions. Word has length 98 [2020-10-14 06:06:30,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:06:30,086 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 967 transitions. [2020-10-14 06:06:30,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:06:30,086 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 967 transitions. [2020-10-14 06:06:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-14 06:06:30,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:06:30,088 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:06:30,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:06:30,089 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:06:30,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:06:30,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1426519139, now seen corresponding path program 1 times [2020-10-14 06:06:30,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:06:30,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055919352] [2020-10-14 06:06:30,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:06:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:30,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:30,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:30,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:30,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:31,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:31,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:31,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:34,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:34,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 06:06:35,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 06:06:35,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 06:06:35,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:06:35,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 06:06:35,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:06:35,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:35,869 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:06:35,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:06:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:35,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 06:06:35,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:35,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:35,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:35,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:35,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:06:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:35,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:35,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:35,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:06:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:35,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:35,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:35,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:06:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:35,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:35,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,099 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:06:36,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:06:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:06:36,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:06:36,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:36,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:36,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:06:36,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:06:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 06:06:36,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:06:36,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-14 06:06:36,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:06:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 06:06:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:06:36,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:06:36,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:36,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:06:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:06:36,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:06:36,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 06:06:36,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:06:36,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:06:36,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:06:36,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:06:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:06:36,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:06:36,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:06:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:06:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:06:36,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 06:06:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:06:36,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:06:36,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:06:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:36,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:36,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:36,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:36,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:36,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:36,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:36,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 06:06:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:36,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:36,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:36,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 06:06:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:36,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:36,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:36,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:06:36,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055919352] [2020-10-14 06:06:36,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:06:36,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:06:36,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110123441] [2020-10-14 06:06:36,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:06:36,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:06:36,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:06:36,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:06:36,644 INFO L87 Difference]: Start difference. First operand 612 states and 967 transitions. Second operand 10 states. [2020-10-14 06:06:38,750 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:06:39,588 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:06:41,416 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:07:01,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:07:01,112 INFO L93 Difference]: Finished difference Result 1519 states and 2593 transitions. [2020-10-14 06:07:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 06:07:01,113 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-10-14 06:07:01,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:07:01,122 INFO L225 Difference]: With dead ends: 1519 [2020-10-14 06:07:01,122 INFO L226 Difference]: Without dead ends: 937 [2020-10-14 06:07:01,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 06:07:01,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-10-14 06:07:01,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 612. [2020-10-14 06:07:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-14 06:07:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 966 transitions. [2020-10-14 06:07:01,283 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 966 transitions. Word has length 96 [2020-10-14 06:07:01,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:07:01,283 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 966 transitions. [2020-10-14 06:07:01,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:07:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 966 transitions. [2020-10-14 06:07:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-14 06:07:01,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:07:01,285 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:07:01,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:07:01,285 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:07:01,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:07:01,286 INFO L82 PathProgramCache]: Analyzing trace with hash 13094180, now seen corresponding path program 1 times [2020-10-14 06:07:01,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:07:01,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308591203] [2020-10-14 06:07:01,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:07:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:01,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:01,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:01,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:02,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:02,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:03,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:03,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:06,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:06,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 06:07:06,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:07:06,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 06:07:06,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:06,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:06,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:07:06,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:07:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 06:07:06,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,062 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:07:07,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:07:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:07,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 06:07:07,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:07,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:07,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:07:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:07,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:07,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:07:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:07,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:07,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:07,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:07:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:07,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:07,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:07,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,285 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:07:07,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:07:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:07:07,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:07:07,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:07,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:07:07,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:07,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:07:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:07:07,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:07:07,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 06:07:07,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:07:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:07:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 06:07:07,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:07:07,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:07:07,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:07:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:07:07,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:07:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 06:07:07,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:07:07,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 06:07:07,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:07,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:07:07,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 06:07:07,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:07:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:07:07,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:07:07,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:07:07,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:07,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:07:07,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:07,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 06:07:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:07:07,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:07:07,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:07:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:07,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:07,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:07,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:07,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:07,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 06:07:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:07,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:07,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:07,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 06:07:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:07,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:07,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:07,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:07,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:07,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:07,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:07,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:07:07,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308591203] [2020-10-14 06:07:07,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:07:07,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:07:07,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828196407] [2020-10-14 06:07:07,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:07:07,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:07:07,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:07:07,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:07:07,743 INFO L87 Difference]: Start difference. First operand 612 states and 966 transitions. Second operand 12 states. [2020-10-14 06:07:09,919 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:07:10,708 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:07:11,428 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:07:12,145 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:07:12,910 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:07:14,928 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:07:34,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:07:34,534 INFO L93 Difference]: Finished difference Result 1525 states and 2599 transitions. [2020-10-14 06:07:34,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:07:34,535 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-14 06:07:34,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:07:34,543 INFO L225 Difference]: With dead ends: 1525 [2020-10-14 06:07:34,543 INFO L226 Difference]: Without dead ends: 931 [2020-10-14 06:07:34,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:07:34,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-10-14 06:07:34,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 606. [2020-10-14 06:07:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2020-10-14 06:07:34,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 953 transitions. [2020-10-14 06:07:34,727 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 953 transitions. Word has length 97 [2020-10-14 06:07:34,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:07:34,727 INFO L479 AbstractCegarLoop]: Abstraction has 606 states and 953 transitions. [2020-10-14 06:07:34,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:07:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 953 transitions. [2020-10-14 06:07:34,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-14 06:07:34,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:07:34,730 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:07:34,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 06:07:34,730 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:07:34,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:07:34,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1378181444, now seen corresponding path program 1 times [2020-10-14 06:07:34,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:07:34,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481018687] [2020-10-14 06:07:34,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:07:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:34,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:34,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:35,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:35,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:35,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:36,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:36,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:37,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:38,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:39,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:39,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 06:07:39,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 06:07:39,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 06:07:39,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:39,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 06:07:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:07:39,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:40,580 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:07:40,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:07:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:40,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:40,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:40,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:40,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:40,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 06:07:40,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:40,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:40,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:40,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:40,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:40,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:40,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:40,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:40,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:40,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:40,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:40,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:07:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:40,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:40,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:40,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:40,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:40,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:40,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:40,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:40,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:40,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:07:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:40,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:40,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:40,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:40,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:40,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:40,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:40,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:40,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:40,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:40,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:40,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:40,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:07:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:40,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:40,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:40,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:40,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:40,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:40,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:40,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:40,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:40,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:40,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:40,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:40,804 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:07:40,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:07:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:40,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:40,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:40,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:07:40,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:40,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:07:40,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:40,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:40,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:40,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:40,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:40,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:40,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:40,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:40,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:40,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:40,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:07:40,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:40,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:40,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:40,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:40,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:40,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:07:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:40,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:40,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:40,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:41,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 06:07:41,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:07:41,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-14 06:07:41,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:41,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:41,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:41,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 06:07:41,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:07:41,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:41,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:41,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:41,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:07:41,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:41,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:41,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:41,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:41,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:41,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:07:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:41,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:41,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 06:07:41,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:07:41,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 06:07:41,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:41,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:41,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:41,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:41,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:07:41,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:41,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:41,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:41,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:07:41,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:41,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:07:41,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:41,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:41,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:41,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:07:41,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:07:41,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:41,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 06:07:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:41,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:41,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:07:41,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:41,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:07:41,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:41,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:07:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:41,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:41,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:41,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:41,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:41,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:41,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:41,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:41,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:41,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:41,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:41,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:41,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:41,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:41,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:41,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:41,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:41,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:41,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:41,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:41,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 06:07:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:41,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:41,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:41,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:41,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:41,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:41,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:41,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:41,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:41,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:41,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:41,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 06:07:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:41,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:41,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:41,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:41,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:41,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:41,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:41,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:41,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:41,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:41,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:41,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:07:41,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481018687] [2020-10-14 06:07:41,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:07:41,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:07:41,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143315085] [2020-10-14 06:07:41,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:07:41,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:07:41,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:07:41,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:07:41,368 INFO L87 Difference]: Start difference. First operand 606 states and 953 transitions. Second operand 10 states. [2020-10-14 06:07:42,230 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 06:07:43,186 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:07:44,093 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:07:45,879 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 148